never vs threatening

never

intj
  • A statement of defiance 

adv
  • Negative particle (used to negate verbs in the simple past tense; also used absolutely). 

  • At no time; on no occasion; in no circumstance. 

  • Not at any other time; not on any other occasion; not previously. 

threatening

adj
  • Presenting a threat, posing a likely risk of harm. 

  • Making threats, making statements about a willingness to cause harm. 

noun
  • An act of threatening; a threat. 

How often have the words never and threatening occurred in a corpus of books? (source: Google Ngram Viewer )